/Engine/Source/Runtime/SignalProcessing/Public/DSP/VoiceProcessing.h
This class uses an adaptive filter to cancel out any rendered audio signal that might be picked up by the mic. To add a new patch to a rendered audio signal, user AddNewSignalPatch. SeeFPatchInputfor how to push audio. ProcessAudio then filters the microphone signal accordingly.
class FAcousticEchoCancellation_DEPRECATED